Ma chaine YouTube :
https://www.youtube.com/channel/UC20IADSeK5Hu0bIrTJqAAJg
La commande:

/summon MinecartCommandBlock ~ ~1 ~ {Command:kill @e[type=MinecartCommandBlock,r=1],Riding:{id:MinecartCommandBlock,Command:setblock ~ ~-1 ~1 redstone_block,Riding:{id:MinecartCommandBlock,Command:setblock ~ ~ ~1 command_block 0 replace {Command:fill ~ ~-3 ~-1 ~ ~ ~ air},Riding:{id:MinecartCommandBlock,Command:"/scoreboard objectives add time dummy",Riding:{id:MinecartCommandBlock,Command:blockdata ~3 ~-2 ~-1 {Command:fill ~ ~ ~1 ~5 ~1 ~1 stone},Riding:{id:MinecartCommandBlock,Command:blockdata ~3 ~-2 ~1 {Command:fill ~ ~ ~-1 ~5 ~1 ~-1 redstone_block},Riding:{id:MinecartCommandBlock,Command:blockdata ~4 ~-2 ~-1 {Command:"scoreboard players add @e[type=MushroomCow] time 1"},Riding:{id:MinecartCommandBlock,Command:blockdata ~4 ~-2 ~1 {Command:"execute @e[name=TntHouse,score_time_min=3,score_time=3] ~ ~ ~ summon PrimedTnt ~ ~ ~ {Fuse:110}"},Riding:{id:MinecartCommandBlock,Command:blockdata ~5 ~-2 ~-1 {Command:"execute @e[name=TntHouse,score_time_min=90,score_time=90] ~ ~ ~ fill ~5 ~ ~5 ~-5 ~4 ~-5 planks 0 hollow"},Riding:{id:MinecartCommandBlock,Command:blockdata ~5 ~-2 ~1 {Command:"execute @e[name=TntHouse,score_time_min=90,score_time=90] ~ ~ ~ setblock ~5 ~1 ~ wooden_door"},Riding:{id:MinecartCommandBlock,Command:blockdata ~6 ~-2 ~-1 {Command:"execute @e[name=TntHouse,score_time_min=90,score_time=90] ~ ~ ~ setblock ~5 ~2 ~ wooden_door"},Riding:{id:MinecartCommandBlock,Command:blockdata ~6 ~-2 ~1 {Command:"execute @e[name=TntHouse,score_time_min=90,score_time=90] ~ ~ ~ setblock ~4 ~1 ~4 crafting_table"},Riding:{id:MinecartCommandBlock,Command:blockdata ~7 ~-2 ~-1 {Command:"execute @e[name=TntHouse,score_time_min=90,score_time=90] ~ ~ ~ setblock ~4 ~1 ~3 furnace"},Riding:{id:MinecartCommandBlock,Command:blockdata ~7 ~-2 ~1 {Command:"execute @e[name=TntHouseNether,score_time_min=3,score_time=3] ~ ~ ~ summon PrimedTnt ~ ~ ~ {Fuse:110}"},Riding:{id:MinecartCommandBlock,Command:blockdata ~8 ~-2 ~-1 {Command:"execute @e[name=TntHouseNether,score_time_min=90,score_time=90] ~ ~ ~ fill ~5 ~ ~5 ~-5 ~4 ~-5 nether_brick 0 hollow"},Riding:{id:MinecartCommandBlock,Command:blockdata ~8 ~-2 ~1 {Command:"execute @e[name=TntHouseNether,score_time_min=90,score_time=90] ~ ~ ~ setblock ~ ~1 ~ portal"},Riding:{id:MinecartCommandBlock,Command:blockdata ~3 ~-1 ~-1 {Command:"execute @e[name=TntHouseNether,score_time_min=90,score_time=90] ~ ~ ~ setblock ~5 ~1 ~ wooden_door"},Riding:{id:MinecartCommandBlock,Command:blockdata ~3 ~-1 ~1 {Command:"execute @e[name=TntHouseNether,score_time_min=90,score_time=90] ~ ~ ~ setblock ~5 ~2 ~ wooden_door"},Riding:{id:MinecartCommandBlock,Command:blockdata ~4 ~-1 ~-1 {Command:"execute @e[name=TntHouseEnder,score_time_min=3,score_time=3] ~ ~ ~ summon PrimedTnt ~ ~ ~ {Fuse:110}"},Riding:{id:MinecartCommandBlock,Command:blockdata ~4 ~-1 ~1 {Command:"execute @e[name=TntHouseEnder,score_time_min=90,score_time=90] ~ ~ ~ fill ~5 ~ ~5 ~-5 ~4 ~-5 end_stone 0 hollow"},Riding:{id:MinecartCommandBlock,Command:blockdata ~5 ~-1 ~-1 {Command:"execute @e[name=TntHouseEnder,score_time_min=90,score_time=90] ~ ~ ~ setblock ~4 ~1 ~4 ender_chest"},Riding:{id:MinecartCommandBlock,Command:blockdata ~5 ~-1 ~1 {Command:"execute @e[name=TntHouseEnder,score_time_min=90,score_time=90] ~ ~ ~ setblock ~ ~1 ~ end_gateway"},Riding:{id:MinecartCommandBlock,Command:blockdata ~6 ~-1 ~-1 {Command:"execute @e[name=TntHouseEnder,score_time_min=90,score_time=90] ~ ~ ~ setblock ~5 ~1 ~ wooden_door"},Riding:{id:MinecartCommandBlock,Command:blockdata ~6 ~-1 ~1 {Command:"execute @e[name=TntHouseEnder,score_time_min=90,score_time=90] ~ ~ ~ setblock ~5 ~2 ~ wooden_door"},Riding:{id:MinecartCommandBlock,Command:blockdata ~7 ~-1 ~-1 {Command:"execute @e[score_time_min=90,score_time=100] ~ ~ ~ particle flame ~ ~1 ~ 5 6 5 10"},Riding:{id:MinecartCommandBlock,Command:blockdata ~7 ~-1 ~1 {Command:"kill @e[score_time_min=110,score_time=110]"},Riding:{id:MinecartCommandBlock,Command:blockdata ~8 ~-1 ~-1 {Command:"effect @e[type=MushroomCow] invisibility 1 4"},Riding:{id:MinecartCommandBlock,Command:setblock ~3 ~-2 ~ redstone_block,Riding:{id:MinecartCommandBlock,Command:fill ~3 ~-2 ~-1 ~8 ~-1 ~-1 command_block,Riding:{id:MinecartCommandBlock,Command:fill ~3 ~-2 ~-1 ~8 ~-2 ~-1 command_block,Riding:{id:MinecartCommandBlock,Command:fill ~3 ~-2 ~1 ~7 ~-1 ~1 command_block,Riding:{id:MinecartCommandBlock,Command:fill ~3 ~-2 ~1 ~8 ~-2 ~1 command_block,Riding:{id:MinecartCommandBlock,Command:setblock ~1 ~ ~ wall_sign 4 replace {Text2:"{text:\\\"détruire\\\",color:black,bold:true}",Text4:"{text:\\\"\\\",clickEvent:{action:\\\"run_command\\\",value:\\\"fill ~ ~-3 ~-2 ~9 ~4 ~2 air\\\"}}"},Riding:{id:MinecartCommandBlock,Command:setblock ~1 ~-1 ~ wall_sign 4 replace {Text1:"{text:\\\"\\\",clickEvent:{action:\\\"run_command\\\",value:\\\"/give @p spawn_egg 1 96 {display:{Name:\\\\\\\"TntHouse\\\\\\\"}}\\\"}}",Text2:"{text:\\\"obtenir\\\",color:black,clickEvent:{action:\\\"run_command\\\",value:\\\"/give @p spawn_egg 1 96 {display:{Name:\\\\\\\"TntHouseNether\\\\\\\"}}\\\"},bold:true}",Text3:"{text:\\\"les\\\",color:green,clickEvent:{action:\\\"run_command\\\",value:\\\"display:{Name:\\\\\\\"TntHouseEnder\\\\\\\"}}\\\"},bold:true}",Text4:"{text:\\\"Items\\\",color:green,bold:true}"},Riding:{id:MinecartCommandBlock,Command:fill ~2 ~-2 ~-2 ~9 ~-1 ~2 stained_glass 14 replace bedrock 0,Riding:{id:MinecartCommandBlock,Command:fill ~2 ~-3 ~-2 ~9 ~ ~2 bedrock 0 hollow,Riding:{id:MinecartCommandBlock,Command:gamerule commandBlockOutput false,Riding:{id:MinecartCommandBlock,Riding:{id:FallingSand,Block:activator_rail,Time:1,Riding:{id:FallingSand,Block:redstone_block,Time:1,Riding:{id:FallingSand,Block:stone,Time:1}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}